Paul Westerman is a Global Marketing Manager for Compaq Computers, Inc. He began his retail career with Wal-Mart, where he was one of the four people responsible for designing and building the Wal-Mart data warehouse-still the world's largest. Since then, Paul has played a key role in many very large data warehouses projects around the world-in the retail industry, telephone industry, and other areas-and has spoken to audiences around the world about the benefits of applying the data warehouse technology to business. He holds a BS in Computing and Information Sciences from Oklahoma State University.